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Finding the Fourth Proportional to 7,429.96, 11,079.46 and 7,363.34

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Solution

The fourth proportional to 7,429.96, 11,079.46 and 7,363.34 is: 10,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.96 : 11,079.46 = 7,363.34 : x
  2. Step 2: Convert to fraction form
    7,429.96/11,079.46 = 7,363.34/x
  3. Step 3: Cross multiply
    7,429.96x = 11,079.46 × 7,363.34
  4. Step 4: Simplify right side
    7,429.96x = 81,581,794.18
  5. Step 5: Solve for x
    x = 81,581,794.18/7,429.96
  6. Step 6: Final answer
    x = 10,980.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.